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題 8
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
GeoGebra
New Resources
四邊形的特性
找出對稱軸
畫出對稱圖形
兩位數加法
柱體建築師
Discover Resources
菱形
Copy of 劉徽的「割圓術」
弹簧的副本
拋物線6--包絡線法
五組搶答
Discover Topics
Orthocenter
Mode
Trigonometric Functions
Quadratic Equations
Tangent Line or Tangent